Triconex 3720 TMR Analog Input Module 64 Points

Product Overview

The Triconex 3720 is a Triple Modular Redundant (TMR) analog input module. It provides 64 single-ended input points. This module accepts a 0-5VDC voltage range with a 6% over-range. It offers programmable 12-bit or 14-bit resolution. The 3720 is designed for high-integrity safety systems. It ensures fault tolerance and continuous operation. Its yellow color code indicates its analog input function.

Application Scenarios

This module is ideal for process safety applications. It works in emergency shutdown systems. It supports fire and gas detection systems. It is used in turbine and compressor control. The 3720 fits high-availability industrial environments. It handles critical analog signals like pressure and temperature. Its TMR architecture prevents single-point failures.

Technical Specifications

Input voltage range is 0-5VDC plus 6%. It has 64 single-ended input points. Input update rate is 10 ms. Resolution is 12 bits or 14 bits programmable. Accuracy is less than 0.15% of FSR. Input resistance is 10 MΩ minimum. Power-off resistance is 140 kΩ typical. Leg-to-leg isolation is 420 kΩ typical. Normal mode rejection is -3 dB at 8Hz. It provides overrange protection up to 150 VDC. It supports 0-20 mA with a 250 Ω shunt resistor. Diagnostic indicators include PASS, FAULT, and ACTIVE.

Installation & Maintenance Guide

Install the module in a Triconex chassis. Ensure proper grounding before insertion. Use the keyed connector for correct alignment. Secure the module with locking screws. Check diagnostic LEDs after power-up. Replace modules only with system power off. Keep the area clean and free of debris. Use only approved cables and termination panels.

Packing List

1x Triconex 3720 Analog Input Module. 1x Installation Guide. 1x Product Documentation CD. 1x Connector Kit. The module is packed in an anti-static bag. It ships in a sturdy cardboard box. We ship via FedEx, UPS, or DHL. Order today for fast delivery.